USD1vsUSDD
World Liberty Financial USD vs USDD — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
USD1 — World Liberty Financial USD
USDD — USDD
30-day peg stability dotted line = target · both charts share one scale
What the last 30 days show
Over the last 30 days USD1 supply moved -10.1% and USDD +7.9% — USDD grew faster. USD1 held the tighter band: worst deviation 18 bps against 29 bps.
Key differences
- USD1 is roughly 2.7× larger than USDD by USD circulation value ($4.03B vs $1.51B).
- USD1 ranks #5 while USDD ranks #13 among all tracked stablecoins.
- Both are pegged to the same currency (USD), so they compete directly for the same use cases.
- USD1 is a fiat-backed stablecoin; USDD is crypto-backed. Different mechanism, different failure modes.
- Reserves differ — USD1 holds us treasuries, USDD holds algo + trx collateral.
- USD1 is deployed on 8 chains — much broader coverage than USDD's 4.
- Primary chain differs — most USD1 supply lives on Ethereum, while most USDD supply is on Tron.
Full comparison table
| Metric | USD1 | USDD |
|---|---|---|
| USD circulation value | $4.03B | $1.51B |
| Rank (by USD value) | #5 | #13 |
| Peg | USD | USD |
| Mechanism | fiat-backed | crypto-backed |
| Backing | US Treasuries | Algo + TRX collateral |
| Chains deployed | 8 | 4 |
| Primary chain | Ethereum | Tron |
| Issuer | World Liberty Financial | TRON DAO Reserve |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between USD1 and USDD?
Both track USD, so they compete for the same use cases. USD1 holds us treasuries; USDD holds algo + trx collateral. USD1 ranks #5 by USD value and USDD ranks #13.
Which is bigger, USD1 or USDD?
USD1 is larger, with $4.03B in circulation vs $1.51B for USDD. That's roughly 2.7× the size.
Is USD1 safer than USDD?
Neither is inherently safer. Safety turns on reserve composition, issuer transparency, redemption rights and regulatory oversight — none of which this page audits. USD1 uses a fiat-backed model; USDD uses a crypto-backed one. Read each issuer's most recent reserve attestation before choosing.
Can I convert between USD1 and USDD?
Yes. USD1 and USDD both trade on major centralized and decentralized exchanges. Since both track USD, the exchange rate is typically very close to 1:1. Direct swap protocols on Ethereum, Solana, and other chains offer the tightest spreads.
Should I choose USD1 or USDD?
The right choice depends on your use case. Consider: which chain do you need? USD1 is available on 8 chains and USDD on 4. What backing do you prefer? What's your integration surface (exchanges, DeFi protocols, payment providers)? Both have deep liquidity, so market cap alone shouldn't decide it.